[Issue 12426] New: Spurious "auto can only be used for template function parameters" for overloaded templated functions

d-bugmail at puremagic.com d-bugmail at puremagic.com
Thu Mar 20 10:40:18 PDT 2014


https://d.puremagic.com/issues/show_bug.cgi?id=12426

           Summary: Spurious "auto can only be used for template function
                    parameters" for overloaded templated functions
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: diagnostic, rejects-valid
          Severity: major
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: thecybershadow at gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow at gmail.com> 2014-03-20 19:40:17 EET ---
///////// test.d ////////
void fun(T)(auto ref T t)
    if (false)
{
}

void fun(T)()
{
}

alias fun!int funint;
/////////////////////////

Compiler complains:
test.d(1): Error: auto can only be used for template function parameters

Not only is this error spurious (the constraint will never pass), but the
compiler does not indicate the location of the instantiation.

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